backswim.dk
Last scanned: 2026-08-26 15:27:43  ·  4921ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
NameserverIP addressesPTRASN / ISP
ns1.dnshotel.dk 2a01:4f8:1c17:4999::2
88.99.120.238		 ns1.dnshotel.dk
ns1.dnshotel.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.dnshotel.dk 2a01:4f8:c0c:4051::2
94.130.170.39		 ns2.dnshotel.dk
ns2.dnshotel.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.83.125 360s re03.azehosting.net AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
0 360s backswim.dk 2a01:4f8:2200:4382::2
49.12.83.125		 re03.azehosting.net
re03.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)1 records   2074ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:2200:4382::2 14400s re03.azehosting.net AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   4280ms
TXT Record
v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +a +mx +ip4:185.221.37.134 +ip4:195.201.243.87 +ip4:94.130.52.47 +ip4:138.201.239.158 +ip4:88.99.200.26 +include:relay.mailchannels.net +include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (backswim.dk)
~all (soft fail) v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +a +mx +ip4:185.221.37.134 +ip4:195.201.243.87 +ip4:94.130.52.47 +ip4:138.201.239.158 +ip4:88.99.200.26 +include:relay.mailchannels.net +include:relay.mailchannels.net ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.backswim.dk DNA1qXYrVxoAZiqR0HxIXOsmyXgvDswu7xi6cqW2c60
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026070701
Primary NS (MNAME)ns1.dnshotel.dk
Responsible (RNAME)server-admin@resellerhotel.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
55ms
MX
47ms
AAAA
2074ms
TXT
4280ms
CAA
72ms
HTTPS
4054ms
TLSA
117ms
SOA
0ms
MTA-STS
66ms
DNSSEC
107ms
SRV
4055ms
Total
4921ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 15:27:43 4921ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 02:41:15 1791ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 15:08:46 1479ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 22:30:47 2520ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 14:00:19 760ms 2 NS 1 A 1 MX 🔒 Secure View
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